Introduction: The management of chronic groin and scrotal content pain (orchialgia) is a complex condition after varicocelectomy that is encountered by most practicing clinicians. The aim of this study was to evaluate the effectiveness of low-level laser therapy (LLLT) in orchialgia after varicocelectomy surgery. Methods: This study was performed as a double-blind, placebo-controlled randomized clinical trial in which sixty patients with orchialgia after varicocelectomy were randomly divided into three groups of 20 as follows: (1) low-level laser group with red (650 nm, 50 mW), (2) low-level laser group with infrared (IR) (820 nm, 100 mW), and (3) laser placebo group. The treatment protocol consisted of 15 minutes, three times a week, for only 12 sessions. Then, the patients were evaluated for pain and sexual satisfaction during the 12-week follow-up. Results: The pain score in the two groups of low-level laser with red light and IR spectra showed a significant relief (P<0.05) 6 and 12 weeks after starting the treatment, In addition, a significant increase was observed in the level of sexual satisfaction in the red and infrared spectra LLLT groups (P<0.05). Conclusion: We concluded that the use of LLLT with red light (650 nm, 50 mW)/IR (820 nm, 100 mW) spectra with power of 6-25 J/cm2/day in 15 minutes, three times a week, for 12 sessions can significantly reduce pain and increase sexual satisfaction in these patients.
Keywords: Infrared spectra; Low-level laser therapy; Orchialgia; Red light spectra; Varicocelectomy.
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